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-rw-r--r--configure.in1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index 4545023687..c7d257c995 100644
--- a/configure.in
+++ b/configure.in
@@ -2746,6 +2746,7 @@ AC_CONFIG_FILES(Makefile, [{
echo 'distclean-local::; @$(RM) GNUmakefile uncommon.mk'
fi
} > confmk$$.tmp && mv -f confmk$$.tmp Makefile &&
+ grep '^ruby:' Makefile > /dev/null ||
${MAKE-make} info-program | grep '^PROGRAM=ruby$' > /dev/null ||
echo 'ruby: $(PROGRAM);' >> Makefile],
[EXEEXT='$EXEEXT' gnumake='$gnumake'])